RFID access system With the increasing aging of the population and the improvement of people's living standards, the number of people admitted to the hospital for medical treatment is increasing year by year, and the consumption of medical consumables in hospitals is also showing an upward trend year by year. The
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Generally, RFID tags can be classified according to the frequency of use and the way of energy supply. By frequency: According to the working frequency of the RFID system, RFID can be classified into three categories: low frequency, high frequency and ultra-high frequency. Low frequency (LF) - 120 - 150kHz, low cost
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